AMD Ryzen 9 9955HX vs AMD Ryzen 9 7940HX. Specifications, performance, tests

Background information about the processors being compared, series, generation and market segment.

• Family
  Ryzen Ryzen
• Form Factor
  Laptops / Desktops Laptops / Desktops
• Segment
  Mobile Mobile
• Series
  Ryzen 9000 Series Ryzen 7000 Series

Core counts, threads, cache and clock modes describe the CPU configuration. Performance depends on the workload and comparable measured results.

• Base Frequency
  2.5 GHz 2.4 GHz
• CPU Cores
  16 16
• CPU Threads
  32 32
• Max. Boost Clock
  5.4 GHz 5.2 GHz
• Overclocking
  Yes Yes

Internal Graphics does not affect the performance of the CPU, performs the work of the graphics card in its absence or on mobile devices.

• GPU Frequency
  2200 MHz 2200 MHz
• GPU name
  AMD Radeon 610M AMD Radeon 610M
• Graphics Cores
  2 2

Types, channel quantity of RAM supported by AMD Ryzen 9 7940HX and AMD Ryzen 9 9955HX. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory channels
  2 2
• Memory type
  DDR5 DDR5
• PCIe
  PCIe 5.0 PCIe 5.0

Compare the TDP requirements of TDP AMD Ryzen 9 9955HX and AMD Ryzen 9 7940HX Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• Configurable TDP
  55-75 W 55 - 75 W
• Default TDP
  55 W 55 W
• Maximum Operating Temperature
  100 °C 100 °C

Architecture, interfaces, additional instructions supported by AMD Ryzen 9 9955HX and AMD Ryzen 9 7940HX, virtual machine technologies and process technology.

• Availability window (manufacturer)
  First half of 2025 -
• Codename
  Fire Range Dragon Range
• Date evidence scope
  Manufacturer-announced OEM/board availability window; exact first shipment is not established by this source. -
• L2-Cache
  16 MB 16 MB
• L3-Cache
  64 MB 64 MB
• Release date
  2025 2024-01-17
• Socket
  FL1 FL1
• Technology
  TSMC 4nm FinFET TSMC 5nm FinFET